000 00278nam a22001217a 4500
020 _a9780124076853
082 _a630.685 SPA
100 _aSparks, Donald L
245 _aAdvances in agronomy V. 121
260 _aNewyork
_bAcademic Press
_c2013
300 _a529
942 _cBK
999 _c368480
_d368480